import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/components/login'
import Home from '@/components/home'
import Welcome from '@/components/welcome'
import Users from '@/components/users'
import Roles from '@/components/power/roles'
import Rights from '@/components/power/rights'
import Goods from '@/components/goods'
import Params from '@/components/params'
import Categories from '@/components/categories'
import Orders from '@/components/orders'
import Reports from '@/components/reports'
Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/roles', component: Roles },
      { path: '/rights', component: Rights },
      { path: '/goods', component: Goods },
      { path: '/params', component: Params },
      { path: '/categories', component: Categories },
      { path: '/orders', component: Orders },
      { path: '/reports', component: Reports }
    ]
  }
]

const router = new VueRouter({
  routes
})
// 挂载导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next是一个函数 表示放行
  if (to.path === '/login') { next() }
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) {
    next('/login')
  }
  next()
})

export default router
